slam dunk vs dunk shot

slam dunk and dunk shot both are nouns.

Word	Noun	Adjective	Verb	Adverb
slam dunk	Yes	No	No	No
dunk shot	Yes	No	No	No

As nouns, dunk shot is a hypernym of slam dunk; that is, dunk shot is a word with a broader meaning than slam dunk:

slam dunk: a forceful dunk
dunk shot: a basketball shot in which the basketball is propelled downward into the basket

Other hypernyms of slam dunk include dunk, stuff shot.

slam dunk (noun)	dunk shot (noun)
a forceful dunk	a basketball shot in which the basketball is propelled downward into the basket
something that is a sure to occur; a foregone conclusion